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Finding the Fourth Proportional to 45,901.79, 63,340.74 and 25,755.87

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Solution

The fourth proportional to 45,901.79, 63,340.74 and 25,755.87 is: 35,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,901.79 : 63,340.74 = 25,755.87 : x
  2. Step 2: Convert to fraction form
    45,901.79/63,340.74 = 25,755.87/x
  3. Step 3: Cross multiply
    45,901.79x = 63,340.74 × 25,755.87
  4. Step 4: Simplify right side
    45,901.79x = 1,631,395,865.14
  5. Step 5: Solve for x
    x = 1,631,395,865.14/45,901.79
  6. Step 6: Final answer
    x = 35,541.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.